Search a number
-
+
328418444 = 221721272237
BaseRepresentation
bin10011100100110…
…100010010001100
3211212222101102002
4103210310102030
51133033342234
652331051432
711065340114
oct2344642214
9755871362
10328418444
11159424702
1291ba0b78
135306ac53
1431890044
151dc7427e
hex1393448c

328418444 has 36 divisors (see below), whose sum is σ = 615611136. Its totient is φ = 153264384.

The previous prime is 328418443. The next prime is 328418471. The reversal of 328418444 is 444814823.

It is a super-2 number, since 2×3284184442 = 215717348718762272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 328418398 and 328418407.

It is not an unprimeable number, because it can be changed into a prime (328418443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145694 + ... + 147930.

Almost surely, 2328418444 is an apocalyptic number.

328418444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

328418444 is a deficient number, since it is larger than the sum of its proper divisors (287192692).

328418444 is a wasteful number, since it uses less digits than its factorization.

328418444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2383 counting only the distinct ones).

The product of its digits is 98304, while the sum is 38.

The square root of 328418444 is about 18122.3189465366. The cubic root of 328418444 is about 689.9365929272.

The spelling of 328418444 in words is "three hundred twenty-eight million, four hundred eighteen thousand, four hundred forty-four".

Divisors: 1 2 4 17 34 68 127 254 289 508 578 1156 2159 2237 4318 4474 8636 8948 36703 38029 73406 76058 146812 152116 284099 568198 646493 1136396 1292986 2585972 4829683 9659366 19318732 82104611 164209222 328418444